GLQ_SpiritBarragePhantasmPlugin

// Modified. Original (by glq): https://www.ownedcore.com/forums/diablo-3/turbohud/turbohud-discussions/618926-damage-count-down-circle-of-spirit-barrage-post3728819.html#post3728819
using System;
using System.Linq;
using System.Collections.Generic;
using Turbo.Plugins.Default;
using SharpDX;
using SharpDX.Direct2D1;

namespace Turbo.Plugins.glq
{
    public class SpiritBarragePhantasmPlugin : BasePlugin, IInGameWorldPainter, ICustomizer, INewAreaHandler
    {

        private Dictionary<uint,int> Phantasms { get;set; } = new Dictionary<uint,int>();
        private int MyIndex { get; set; } = -1;

        private TopLabelWithTitleDecorator PhantomCountDecorator { get; set; }

        private IBrush BrushSolid { get; set; }
        private IBrush BrushDash { get; set; }
        private IBrush BrushCounter { get; set; }
        private IBrush TimeLeftClockBrush { get; set; }

        private IFont FontText { get; set; }

        public int radius_countdown = 25;

        public bool ShowOthers {get; set;}
        public bool ShowCounter {get; set;}
        public bool ShowExplosionCircle {get; set;}
        public int CircleSeconds {get; set;}

        public SpiritBarragePhantasmPlugin()
        {
            Enabled = true;
        }

        public override void Load(IController hud)
        {
            base.Load(hud);
            Order = 1001;

            ShowOthers = true;          // Also show for other players.
            ShowCounter = true;         // Counter
            ShowExplosionCircle = true; // Show  additional circle the last "CircleSeconds"
            CircleSeconds = 2;          // 1 .. 5 ,  Draw additional circle the last CircleSeconds.


            BrushDash = hud.Render.CreateBrush(150, 0, 128, 255, 3, SharpDX.Direct2D1.DashStyle.Dash);
            BrushSolid = hud.Render.CreateBrush(255, 0, 128, 255, 2);
            FontText = Hud.Render.CreateFont("tahoma", 9f, 255, 100, 255, 150, true, false, 128, 0, 0, 0, true);
            BrushCounter = hud.Render.CreateBrush(255, 0, 128, 255, 0);
            TimeLeftClockBrush = Hud.Render.CreateBrush(220, 0, 0, 0, 0);

            PhantomCountDecorator = new TopLabelWithTitleDecorator(Hud)
            {
                BackgroundBrush = Hud.Render.CreateBrush(80, 134, 238, 240, 0),
                BorderBrush = Hud.Render.CreateBrush(255, 0, 0, 0, -1),
                TextFont = Hud.Render.CreateFont("tahoma", 8, 255, 255, 0, 0, true, false, true),
            };
        }

        public void Customize()
        {
            if ((CircleSeconds < 1) || (CircleSeconds > 5))     { CircleSeconds = 2; }
        }

        public void OnNewArea(bool newGame, ISnoArea area)
        {
            if (newGame || (MyIndex != Hud.Game.Me.Index) )   // Fix partialment the newGame limitation
            {
                MyIndex = Hud.Game.Me.Index;
                Phantasms.Clear();
            }
        }

        private void DrawTimeLeftClock(RectangleF rect, double elapsed, double timeLeft)   // plugins\Default\BuffLists\Painter\BuffPainter.cs
        {
            if ((timeLeft > 0) && (elapsed >= 0) && (TimeLeftClockBrush != null))
            {
                var endAngle = Convert.ToInt32(360.0d / (timeLeft + elapsed) * elapsed);
                var startAngle = 0;
                TimeLeftClockBrush.Opacity = 1 - (float)(0.5f / (timeLeft + elapsed) * elapsed);
                var rad = rect.Width; // * 0.45f;
                using (var pg = Hud.Render.CreateGeometry())
                {
                    using (var gs = pg.Open())
                    {
                        gs.BeginFigure(rect.Center, FigureBegin.Filled);
                        for (var angle = startAngle; angle <= endAngle; angle++)
                        {
                            var mx = rad * (float)Math.Cos((angle - 90) * Math.PI / 180.0f);
                            var my = rad * (float)Math.Sin((angle - 90) * Math.PI / 180.0f);
                            var vec = new Vector2(rect.Center.X + mx, rect.Center.Y + my);
                            gs.AddLine(vec);
                        }

                        gs.EndFigure(FigureEnd.Closed);
                        gs.Close();
                    }
                    TimeLeftClockBrush.DrawGeometry(pg);
                }
            }
        }

        public void PaintWorld(WorldLayer layer)
        {
            if (!Hud.Game.IsInGame) return;
            if (layer != WorldLayer.Ground) return;

            var actors = Hud.Game.Actors.Where(a => a.SnoActor.Sno == ActorSnoEnum._wd_spiritbarragerune_aoe_ghostmodel && (ShowOthers || (a.SummonerAcdDynamicId == Hud.Game.Me.SummonerId)) );
            if (actors.Any())
            {
                foreach (var actor in actors)
                {
                    if (!Phantasms.ContainsKey(actor.AnnId)) { Phantasms[actor.AnnId] = actor.CreatedAtInGameTick; }
                    var duration = Hud.Game.Players.Any(p => actor.SummonerAcdDynamicId == p.SummonerId && p.Powers.BuffIsActive(484270))? 10d:5d;
                    var elapsed = (Hud.Game.CurrentGameTick - Phantasms[actor.AnnId]) / 60d;
                    if (elapsed < (duration + 0.1) )
                    {
                        BrushSolid.DrawWorldEllipse(10, -1, actor.FloorCoordinate);
                        if  (ShowExplosionCircle && ((duration - elapsed) <= CircleSeconds) )
                        {
                            BrushDash.DrawWorldEllipse(15, -1, actor.FloorCoordinate);
                        }
                        if (actor.IsOnScreen)
                        {
                            var timeleft = duration - elapsed;
                            var x = actor.FloorCoordinate.ToScreenCoordinate().X;
                            var y = actor.FloorCoordinate.ToScreenCoordinate().Y;
                            var radiusc = radius_countdown / 1200.0f * Hud.Window.Size.Height;
                            BrushCounter.DrawEllipse(x , y , radiusc , radiusc);
                            DrawTimeLeftClock(new RectangleF(x - radiusc/2, y - radiusc/2 , radiusc, radiusc), elapsed , timeleft );

                            var layout = FontText.GetTextLayout( (timeleft < 0)?"0.0":timeleft.ToString((timeleft > 1)?"F0":"F1") );
                            FontText.DrawText(layout, x - layout.Metrics.Width/2 , y - layout.Metrics.Height/2 - 1);
                        }
                    }
                }
                if (ShowCounter)
                {
                    var uiRect = Hud.Render.GetUiElement("Root.NormalLayer.game_dialog_backgroundScreenPC.game_progressBar_manaBall").Rectangle;
                    PhantomCountDecorator.Paint(uiRect.Left + uiRect.Width * 0.20f, uiRect.Top - uiRect.Height * 0.20f, uiRect.Width * 0.60f, uiRect.Height * 0.15f, "Phantom:" + actors.Count());
                }
            }
        }
    }
}